Ramses M. Thabet Nasif, M.D.

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

282899 Issued in MA

Practice address

123 Summer St
Ste #290 N
Worcester, MA 01608-1216

Phone

(508) 368-3130

Fax

(508) 368-3167

NPI assigned

Jun 27, 2013

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Cardiovascular Disease (Cardiology)Also: Internal Medicine, Interventional Cardiology

Education

Other, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Reliant Medical Group IncGroup PAC ID 5597755322, 638 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Vincent Hospital Hospital, Worcester, MA, CCN 220176
• Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163
• Heywood Hospital - Hospital, Gardner, MA, CCN 220095

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ramses.thabetnasif@direct.signature.masshiway.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Reliant Medical Group, Inc

  • Family Medicine Physician
  • Worcester, MA
  • NPI 1720017528

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Mass General Brigham Medical Group Northern Massachusetts Inc

  • Emergency Medicine Physician
  • Salem, MA
  • NPI 1588606123

  Internal Medicine

  Medicare reassignment NPD
• Saint Vincent Physician Services, Inc.

  • Family Medicine Physician
  • Worcester, MA
  • NPI 1013997329

  Internal Medicine

  Medicare reassignment NPD
• Signature Healthcare Medical Group Inc

  • Internal Medicine Physician
  • Brockton, MA
  • NPI 1508804949
  Medicare reassignment NPD
• Allen W Filiberti MD PC

  • Cardiovascular Disease Physician
  • Worcester, MA
  • NPI 1518972983
  NPD (past)
• Reliant Medical Group, Inc

  • Physical Therapist
  • Worcester, MA
  • NPI 1295827962
  NPD (past)
• Robert Q Terrill MD PC

  • Specialist
  • Worcester, MA
  • NPI 1265488001
  NPD (past)
• VHS Acquisition Subsidiary Number 7 Inc

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1538131214
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Henry Heywood Memorial Hospital

  • General Acute Care Hospital
  • Gardner, MA
  • NPI 1205823879
  Care Compare affiliation
• Heywood Medical Group Inc.

  • General Practice Physician
  • Gardner, MA
  • NPI 1699762286

  Hospital

  Care Compare affiliation
• Umass Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1831151455
  Care Compare affiliation
• VHS Acquisition Subsidiary Number 7 Inc

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1538131214
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1372291200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757635200000",
    "number": "1689014284",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5 NEPONSET ST",
            "address_2": "MERCANTILE CENTER 12TH FLOOR",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016062714",
            "telephone_number": "508-852-0600"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "123 SUMMER ST",
            "address_2": "STE #290 N",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016081216",
            "telephone_number": "508-368-3130",
            "fax_number": "508-368-3167"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THABET NASIF",
        "first_name": "RAMSES",
        "middle_name": "M.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-06-27",
        "last_updated": "2025-09-12",
        "certification_date": "2025-09-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "MA",
            "license": "282899",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MA",
            "license": "282899",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Debra A Tetreault Silverberg, MSW
• Ashley Brooke Tetreault, N.P.
• Brian R. Tevlin, M.D.
• Fernanda Teyssandier
• Neris Tezoh
• Janitza Cortes Thabet, PA-C
• Kelly Thach
• Srayluckyna Thach
• Susan Thach
• Melinda Thacker, M.D.

• Cardiovascular Disease Physician in Worcester, MA
• Providers in Worcester, MA by specialty
• Cardiovascular Disease Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 12, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.